Real Opcodes



AAC\tAlter All Commands
AAD\tAlter All Data
AAO\tAdd And Overflow
AAR\tAlter At Random
AB\tAdd Backwards
ABC\tAlphaBetize Code
ABR\tAdd Beyond Range
ACC\tAdvance CPU Clock
ACDC\tAllow Controller to Delete Contents
ACDP\tAllow Controller to Die Peacefully
ACQT\tAdvance Clock to Quitting Time
ADB\tAnother Dumb Bug
AEE\tAbsolve Engineering Errors
AFF\tAdd Fudge Factor
AFHB\tAlign Fullword on Halfword Boundary
AFP\tAbnormalize Floating Point
AFR\tAbort Funny Routine
AFVC\tAdd Finagle's Variable Constant
AGB\tAdd GarBage
AGWA\tAdd and Get Wrong Answer
AI\tAdd Improper
AIB\tAttack Innocent Bystander
AIB\tAttack Innocent Bystanders
AISG\tAccess and Improve Student Grade
AMM\tAdd Mayo and Mustard
AMM\tAnswer My Mail
AMS\tAdd Memory to System
ANC\tANnoy Consultant
AOI\tAnnoy Operator Immediate
AR\tAdvance Rudely
AR\tAlter Reality
ARN\tAdd and Reset to Non-zero
ARN\tAdd and Reset to Nonzero
ARZ\tAdd and Reset to Zero
AS\tAdd Sideways
ASQGSA\tASCII Stupid Question, Get a Stupid ANSI
AT\tAccumulate Trivia
AWP\tArgue With Programmer
AWTT\tAssemble With Tinker Toys
BA\tBranch Anywhere
BAC\tBranch to Alpha Centauri
BAD\tBranch And Die
BAD\tBranch to Auto Destruct
BAF\tBlow All Fuses
BAH\tBranch And Hang
BALC\tBranch And Link Cheeseburger
BAP\tBranch And Punt
BAW\tBells And Whistles
BB\tBranch on Bug
BBBB\tByte Baudy Bit and Branch
BBBF\tBranch on Bit Bucket Full
BBD\tBranch on Bastille Day
BBI\tBranch on Burned-out Indicator
BBIL\tBranch on Burned-out Indicator Light
BBLB\tBranch on Blinking Light Bulb
BBT\tBranch on Binary Tree
BBW\tBranch Both Ways
BCB\tBurp and Clear Bytes
BCF\tBranch on Chip box Full
BCIL\tBranch Creating Infinite Loop
BCR\tBackspace Card Reader
BCS\tBranch and Crash System
BCU\tBe Cruel and Unusual
BD\tBackspace Disk
BD\tBranch to Data
BDC\tBreak Down and Cry
BDI\tBranch to Data Indirect
BDM\tBranch and Disconnect Memory
BDT\tBurn Data Tree
BDU\tBranch on Dense User
BE\tBranch Everywhere
BEW\tBranch Either Way
BF\tBelch Fire
BF\tBlow Fuse
BF\tBranch Forever
BFD\tBranch on Full Disk
BFF\tBranch and Form Feed
BFM\tBe Fruitful and Multiply
BH\tBranch and Hang
BIR\tBranch Inside Ranch
BIRM\tBranch on Index Register Missing
BLC\tBranch and Loop Continuous
BLI\tBranch and Loop Infinite
BLM\tBranch, Like, Maybe
BLMWM\tBranch, Like, Maybe, Wow, Man
BLP\tBoot from Line Printer
BLR\tBranch and Lose Return
BLSH\tBuy Low, Sell High
BLT\tBreak Little Thing
BM\tBranch Maybe
BMI\tBlow up Memory Immediate
BMI\tBranch on Missing Index
BMI\tBranch to Muncee Immediate
BMP\tBranch and Make Popcorn
BMR\tBranch Multiple Registers
BMUS\tBeam Me Up, Scotty
BNA\tBranch to Nonexistant Address
BNCB\tBranch and Never Come Back
BNL\tBecome a Neo-Luddite
BNR\tBranch for No Reason
BOB\tBranch On Bug
BOD\tBeat On Disk
BOD\tBranch on Operator Desperate
BOH\tBranch On Humidity
BOH\tBranch on Operator High
BOHP\tBribe Operator for Higher Priority
BOI\tByte Operator Immediately
BOP\tBoot OPerator
BOT\tBranch On Tree
BPB\tBranch on Program Bug
BPDI\tBe Polite, Don't Interrupt
BPIM\tBury Programmer In Manuals
BPL\tBranch PLease
BPM\tBecome a Psych Major
BPO\tBranch on Power Off
BPO\tBranch on Power On
BPP\tBranch and Pull the Plug
BR\tByte and Run
BRA\tBranch to Random Address
BRB\tBRanch on Beaver
BRH\tBRanch and Hang
BRI\tBRanch Indefinitely
BRL\tBRanch and Leak
BRO\tBRanch and Overheat
BRO\tBRanch to Oblivion
BS\tBehave Strangely
BSC\tBranch on Second Coming
BSC\tBurst Selector Channel
BSD\tBackSpace Disk
BSI\tBack up Sewer Immediate
BSI\tBackup Sewer Immediately
BSM\tBranch and Scramble Memory
BSO\tBranch on Sleepy Operator
BSP\tBackSpace Punch
BSR\tBranch and Stomp Registers
BSS\tBranch on SunSpot
BSST\tBackSpace and Stretch Tape
BTD\tBranch on Time of Day
BTD\tByte The Dust
BTI\tBlow Trumpet Immediately
BTJ\tBranch and Turn Japanese
BTO\tBranch To Oblivion
BTW\tBranch on Third Wednesday
BU\tBranch Unexpectedly
BUTI\tBlow Up Terminal Immediately
BVS\tBranch and Veer South
BW\tBranch on Whim
BWC\tBranch When Convenient
BWF\tBusy, Wait Forever
BWOP\tBeWilder OPerator
BYDS\tBeware Your Dark Side
BYTE\tBYte TEst
CAC\tCalling All Cars
CAC\tCash And Carry
CAF\tConvert ASCII to Farsii
CAI\tCorrupt Accounting Information
CAIL\tCrash After I Leave
CAR\tCancel Accounts Receivable
CAT\tConfused And Tired
CB\tConsult Bozo
CBA\tCompare and Branch Anyway
CBBR\tCrash and Blow Boot Read-only memory
CBNC\tClose, But No Cigar
CBS\tClobber BootStrap
CC\tCall Calvery
CC\tCompliment Core
CCB\tChocolate Chip Byte-mode
CCB\tConsult Crystal Ball
CCC\tCrash if Carry Clear
CCCP\tConditionally Corrupt Current Process
CCD\tChoke Cough and Die
CCD\tClear Core and Dump
CCR\tChange Channels at Random
CCS\tChinese Character Set
CCWR\tChange Color of Write Ring
CD\tComplement Disk
CDC\tClear Disk and Crash
CDC\tClose Disk Cover
CDIOOAZ\tCalm Down, It's Only Ones And Zeroes
CDS\tChange Disk Speed
CEMU\tClose Eyes and Monkey with User space
CEX\tCall EXterminator
CF\tCome From [replaces goto]
CFE\tCall Field Engineer
CFP\tChange and Forget Password
CFS\tCorrupt File Structure
CG\tConvert to Garbage
CH\tCreate Havoc
CHCJ\tCompare Haig to Christine Jorgensen
CHPAMR\tCHase Pointers Around Machine Room
CHSE\tCompare Half-words and Swap if Equal
CIB\tChange Important Byte
CIC\tCash In Chips
CID\tCompare and Ignore Data
CIMM\tCreate Imaginary Memory Map
CIZ\tClear If Zero
CLBR\tCLoBber Register
CLBRI\tCLoBber Register Immediate
CM\tCirculate Memory
CMD\tCPU Melt Down
CMD\tCompare Meaningless Data
CMI\tClobber Monitor Immediate
CML\tCompute Meaning of Life
CMP\tCreate Memory Prosthesis
CMS\tClick MicroSwitch
CN\tCompare Nonsensically
CNB\tCause Nervous Breakdown
CNS\tCall Nonexistent Subroutine
COCS\tCopy Object Code to Source
COD\tCrash On Demand
COLB\tCrash for Operator's Lunch Break
COM\tClear Operator's Mind
COMF\tCOMe From
CON\tCall Operator Now
COS\tCopy Object code to Source file
COWYHU\tCome Out With Your Hands Up
CP\tCompliment Programmer
CP%FKM\tCPU \(em FlaKeout Mode
CP%WM\tCPU \(em Weird Mode
CPB\tCreate Program Bug
CPN\tCall Programmer Names
CPPR\tCrumple Printer Paper and Rip
CRASH\tContinue Running After Stop or Halt
CRB\tCRash and Burn
CRD\tConfirm Rumor by Denial
CRM\tCReate Memory
CRM\tClear Random Memory
CRN\tCompare with Random Number
CRN\tConvert to Roman Numerals
CRYPT\treCuRsive encrYPt Tape
CS\tCrash System
CSL\tCurse and Swear Loudly
CSN\tCall Supervisor Names
CSNIO\tCrash System on Next I/O
CSS\tCrash Subsidiary Systems
CSU\tCall Self Unconditional
CTDMR\tChange Tape Density, Mid Record
CTT\tCall Time and Temperature
CU\tConvert to Unary
CUC\tCheat Until Caught
CVFL\tConVert Floating to Logical
CVFP\tConVert Fortran to Pascal
CVG\tConVert to Garbage
CVU\tConVert to Unary
CWAH\tCreate Woman And Hold
CWB\tCarry With Borrow
CWDC\tCut Wires and Drop Core
CWG\tChase Wild Goose
CWGK\tCompare Watt to Genghis Khan
CWIT\tCompare Watt to Ivan the Terrible
CWM\tCompare Watt to Mussolini
CWOM\tComplement Write-Only Memory
CZZC\tConvert Zone to Zip Code
DA\tDevelop Amnesia
DAB\tDelete All Bugs
DAC\tDivide And Conquer
DAD\tDestroy A-Disk
DAO\tDivide And Overflow
DAP\tDe-select Active Peripheral
DAUF\tDelete All Useless Files
DB\tDrop Bits
DBL\tDesegregate Bus Lines
DBR\tDeBase Register
DBTP\tDrop Back Ten and Punt
DBZ\tDivide By Zero
DC\tDegauss Core
DC\tDivide and Conquer
DCAD\tDump Core And Die
DCD\tDrop Cards Double
DCGC\tDump Confusing Garbage to Console
DCI\tDisk Crash Immediate
DCON\tDisable CONsle
DCR\tDouble-precision CRash
DCT\tDrop Cards Triple
DD\tDestroy Disk
DD\tDrop Disk
DDC\tDally During Calculations
DDOA\tDrop Dead On Answer
DDS\tDelaminate Disk Surface
DDT\tDebug Program
DDWB\tDeposit Directly in Waste Basket
DEB\tDisk Eject Both
DEC\tDecompile Executable Code
DEI\tDisk Eject Immediate
DEM\tDisk Eject Memory
DFA\tDisable FAns
DGO\tDecrement the Grades of Others
DGT\tDispense Gin and Tonic
DHTPL\tDisk Head Three Point Landing
DIA\tDevelop Ineffective Address
DICE\tDelete Invalid Customer Engineer
DIE\tDIsable Everything
DIF\tDIsable Fuses
DIG\tDIsable Gravity
DIH\tDisable Interrupts and Hang
DIRFO\tDo It Right For Once
DISC\tDISmount CPU
DK\tDestroy Klingons
DKP\tDisavow Knowledge of Programmer
DLN\tDon't Look Now
DLP\tDrain Literal Pool
DMAG\tDo MAGic
DMNS\tDo what i Mean, Not what i Say
DMP\tDestroy Memory Protect key
DMPE\tDecide to Major in Phys. Ed.
DMPK\tDestroy Memory Protect Key
DMZ\tDivide Memory by Zero
DND\tDestroy Neighbor's Data
DNPG\tDo Not Pass Go
DO\tDivide and Overflow
DO\tDivide and Overflow [IBM PC]
DOC\tDrive Operator Crazy
DOV\tDivide and OVerflow
DP\tDestroy Peripherals
DPC\tDecrement Program Counter
DPCS\tDecrement Program Counter Secretly
DPK\tDestroy storage Protect Key
DPMI\tDeclare Programmer Mentally Incompetent
DPN\tDouble Precision No-op
DPR\tDestroy PRogram
DPS\tDisable Power Supply
DR\tDetach Root
DRAF\tDRAw Flowchart
DRAM\tDecrement RAM
DRBA\tDeposit Round-off in my Bank Account
DRD\tDRop Dead
DRI\tDisable Random Interrupt
DROM\tDestroy ROM
DRT\tDisconnect Random Terminal
DS\tDeadlock System
DSD\tDismount System Disk
DSI\tDo Something Interesting
DSO\tDisable System Operator
DSP\tDegrade System Performance
DSR\tDetonate Status Register
DSTD\tDo Something Totally Different
DSUIT\tDo Something Utterly, Indescribably Terrible
DT%FFP\tDecTape \(em unload and Flappa FlaP
DT%SHO\tDecTape \(em Spin Hubs Opposite
DTB\tDestructively Test Bit
DTC\tDestroy This Command
DTE\tDecrement Telephone Extension
DTI\tDo The Impossible
DTRT\tDo The Right Thing
DTVFL\tDestroy Third Variable From Left
DU\tDump User
DUD\tDo Until Dead
DW\tDestroy World
DWIM\tDo What I Mean
DWIT\tDo What I'm Thinking
DWIW\tDo What I Want
EA\tEnable Anything
EAC\tEmulate Acoustic Coupler
EAL\tEnable AC to Logic rack
EAO\tEnable AC to Operator
EBB\tEdit and Blank Buffer
EBB\tEmpty Bit Bucket
EBR\tErase Before Reading
EBRS\tEmit Burnt Resistor Smell
EC\tEat Card
ECF\tExplode and Catch Fire
ECL\tEarly Care Lace
ECO\tElectrocute Computer Operator
ECP\tErase Card Punch
ED\tEject Disk
ED\tExecute Data
EDD\tEat Disk and Die
EDIT\tErase Data and Increment Time
EDP\tEmulate Debugged Program
EDR\tEmit Deadly Radiation
EDR\tExecute Destructive Read
EDS\tExecute Data Segment
EEOIFNO\tExecute Every Other Instruction From Now On
EEP\tErase Entire Program
EFB\tEmulate Five-volt Battery
EFD\tEject Floppy Disk
EFD\tEmulate Frisbee using Disk pack
EFE\tEmulate Fatal Error
EHC\tEmulate Headless Chicken
EIA\tElvis Is Alive
EIAO\tExecute In Any Order
EIO\tErase I/O page
EIO\tExecute Invalid Op-code
EIO\tExecute Invalid Opcode
EIOC\tExecute Invalid Op-Code
EJD\tEJect Disk
EJD%V\tEJect Disk \(em with initial velocity V
ELP\tEnter Loop Permenantly
EM\tEMulate 407
EM\tEvacuate Memory
EMIF\tErase Most Important File
EMM\tEmulate More Memory
EMPC\tEMulate Pocket Calculator
EMSE\tEdit and Mark Something Else
EMSL\tEntire Memory Shift Left
EMT\tElectrocute Maintenance Technician
EMW\tEmulate Maytag Washer
ENA\tENable Anything
ENE\tENable Everything
END\tErase Neighbor's Data
ENF\tEmit Noxious Fumes
ENG\tENable Gravity
ENO\tEmulate No-Op
EO\tElectrocute Operator
EOB\tExecute Operator and Branch
EOI\tExplode On Interrupt
EOS\tErase Operating System
EP\tExecute Programmer
EPD\tExplode Peripheral Device
EPI\tExecute Programmer Immediate
EPITS\tExecute Previous Instruction Then Skip
EPL\tEmulate Phone Line
EPP\tEject Printer Paper
EPS\tElectrostatic Print and Smear
EPS\tExecute Program Sideways
EPSW\tExecute Program Status Word
EPT\tErase Process Table
EPT\tErase Punched Tape
ERIC\tEject Random Integrated Circuit
ERM\tErase Reserved Memory
EROM\tErase Read-Only Memory
EROS\tErase Read-Only Storage
EROS\tErase Read-Only Storage [Everex int]
ERS\tErase Read-only Storage
ESB\tEject Selectric Ball
ESC\tEmulate System Crash
ESD\tEject Spinning Dish
ESL\tExceed Speed of Light
ESP\tEnable SPrinkler system
ETI\tExecute This Instruction
ETM\tEmulate Trinary Machine
ETPH\tE. T. Phone Home
EVC\tExecute Verbal Commands
EWD\tEnter Warp Drive
EWM\tEnter Whimsy Mode
EXB\tEXcrement and Branch
EXE\tEXecute Engineer
EXI\tEXecute Invalid operation
EXO\tEXecute Operator
EXOP\tEXecute OPerator
EXP\tEXecute Programmer
EXPP\tEXecute Political Prisoner
FAY\tFetch Amulet of Yendor
FB\tFind Bugs
FC\tFry Console
FCJ\tFeed Card and Jam
FCJ\tFeed Cards and Jam
FD\tForget Data
FDR\tFeed Disk Randomly
FERA\tForms Eject and Run Away
FFF\tForm Feed Forever
FLD\tFLing Disk
FLI\tFlash Lights Impressively
FM\tForget Memory
FMP\tFinish My Program
FOPC\tFalse Out-of-Paper Condition
FPC\tFeed Paper Continuously
FPT\tFire Photon Torpedoes
FRG\tFill with Random Garbage
FRS\tFetch Ring of Sauron
FS\tFeign Sleep
FSM\tFold, Spindle, and Mutilate
FSR\tForm Skip and Runaway
FSRA\tForms Skip and Run Away
FYBR\tFollow Yellow Brick Road
GAP\tGrade All Projects
GBB\tGo to Back of Bus
GCAR\tGet Correct Answer Regardless
GCR\tGenerate Confusing Results
GDP\tGrin Defiantly at Programmer
GDR\tGrab Degree and Run
GENT\tGENerate Thesis
GEW{JO}\tGo to the End of the World {Jump Off}
GFD\tGo Forth and Divide
GFM\tGo Forth and Multiply
GIE\tGenerate Irreversible Error
GL\tGet Lost
GLC\tGenerate Lewd Comment
GMC\tGenerate Machine Check
GMCC\tGenerate Machine Check and Cash
GND\tGuess at Next Digit
GORS\tGO Real Slow
GPCR\tGenerate Petty Cache Request
GR\tGet Real
GREM\tGenerate Random Error Message
GREP\tGlobal Ruin, Expiration, and Purgation
GRMC\tGenerate Rubber Machine Check
GS\tGet Strange
GSB\tGulp and Store Bytes
GSI\tGenerate Spurious Interrupts
GSU\tGeometric Shift Up
GTJ\tGo To Jail
HAC\tHold All Calls
HACF\tHalt And Catch Fire
HAH\tHalt And Hang
HBW\tHang Bus and Wait
HCF\tHalt and Catch Fire
HCP\tHide Central Processor
HCRS\tHang in CRitical Section
HDH\tHi Dee Ho
HDO\tHalt and Disable Operator
HDRW\tHalt and Display Random Word
HELP\tHinder Everyone with Little Productivity
HELP\tType 'No Help Available'
HEO\tHalt and Execute Operator
HF\tHide File
HGD\tHalt, Get Drunk
HHB\tHalt and Hang Bus
HIS\tHalt in Imposible State
HOO\tHide Operator's Output
HRPR\tHang up and Ruin Printer Ribbon
HSC\tHalt on System Crash
HSJ\tHalt, Skip and Jump
HTC\tHalt and Toss Cookies
HTS\tHalt and Throw Sparks
HUAL\tHalt Until After Lunch
HUP\tHang Up Phone
HWP\tHalt Without Provocation
IA\tIllocical And
IAE\tIgnore All Exceptions
IAI\tInquire And Ignore
IAND\tIllogical AND
IAR\tIgnore All Requests
IB\tInsert Bug
IBM\tIncrement and Branch to Muncee
IBP\tInsert Bug and Proceed
IBR\tInsert Bugs at Random
ICB\tInterrupt, Crash and Burn
ICM\tImmerse Central Memory
ICMD\tInitiate Core Melt Down
ICR\tIncur Costly Repair [Sun Tempest]
ICSP\tInvert Crt Screen Picture
IDC\tInitiate Destruct Command
IDI\tInvoke Divine Intervention
IDNOP\tInDirect No-OP
IDPS\tIgnore Disk Protect Switch
IEOF\tIgnore End Of File
IF\tInvoke Force
IGI\tIncrement Grade Immediate
IGIT\tIncrement Grade Immediate Twice
IGO\tIncrement Grade Overnight
IHC\tInitiate Head Crash
IHTFP\tIncrement Hormones, Test For Puberty
II\tInquire and Ignore
IIB\tIgnore Inquiry and Branch
IIC\tInsert Invisible Characters
IIL\tIrreversable Infinite Loop
IM\tImagine Memory
IMBP\tInsert Mistake and Blame Programmer
IMP\tImitate Monty Python
IMPG\tIMPress Girlfriend
IMV\tIMpress Visitors
INCAM\tINCrement Arbitrary Memory
ING\tINquire and iGnore
INI\tIgnore Next Instruction
INOP\tIndirect No-OP
INR\tINstigate Rumor
INW\tINvalidate Warranty
IOI\tIgnore Operator's Instruction
IOR\tIllogical OR
IOS\tIgnore Operating System
IP\tIncrement and Pray
IPI\tIgnore Previous Instruction
IPM\tIgnore Programmer's Mistakes
IPOP\tInterrupt Processor, Order Pizza
IPS\tIncinerate Power Supply
IPS\tIncrement Power Supply
IPT\tIgnite Paper Tape
IRB\tInvert Record and Branch
IRBI\tInsert Random Bits Indexed
IRC\tInsert Random Commands
IRE\tInsert Random Errors
IRI\tIgnore Rude Interrupts
IRPF\tInfinite Recursive Page Fault
ISC\tIgnore Supervisor Calls
ISC\tIgnore System Crash
ISC\tInsert Sarcastic Comments
ISI\tIncrement and Skip on Inifinity
ISP\tIncrement and Skip on Pi
ISTK\tInvert STacK
ITML\tInitiate Termites into Macro Library
IU\tIgnore User[s]
IXOR\tIllogical eXclusive OR
IZ\tIgnore Zeroes
JAA\tJump Almost Always
JBS\tJump and Blow Stack
JCI\tJump to Current Instruction
JFM\tJump on Full Moon
JHRB\tJump to H&R Block
JLP\tJump and Lose Pointer
JLR\tJump and Lose Return
JMAT\tJuMp on Alternate Thursdays
JN\tJump to Nowhere
JNL\tJump when programmer is Not Looking
JOB\tJump On Beaver
JOM\tJump Out of Memory
JOM\tJump Over Moon
JOP\tJump OPerator
JPA\tJump when Pizza Arrives
JRAN\tJump RANdom
JRCF\tJump Relative and Catch Fire
JRGA\tJump Relative and Get Arrested
JRL\tJump to Random Location
JRSR\tJump to Random SubRoutine
JSC\tJump on System Crash
JSOR\tJump Somewhere Over Rainbow
JSU\tJump Self Unconditional
JT\tJump if Tuesday
JTT\tJump and Tangle Tape
JTZ\tJump to Twilight Zone
JWN\tJump When Necessary
KCE\tKill Consultant on Error
KCE\tKill repairman [CE]
KDO\tKnock Disk Over
KEPITU\tKill Every Process In The Universe
KOP\tKill OPerator
KP\tKrunch Paper
KPR\tKill PRogrammer
KSR\tKeyboard Shift Right
KUD\tKill User's Data
KWWE\tKill Wicked Witch of East
KWWW\tKill Wicked Witch of West
LAC\tLose All Communication
LAGW\tLoad And Go Wrong
LAP\tLaugh At Program
LAP\tLaugh At Programmer
LCC\tLoad and Clear Core
LCD\tLaunch Cartridge Disk
LCK\tLock Console Keyswitch
LEB\tLink Edit Backwards
LIA\tLoad Ineffective Address
LMB\tLose Message and Branch
LMO\tLoad and Mug Operator
LMYB\tLogical MaYBe
LN\tLose inode Number
LNP\tLoad N digits of Pi
LOSM\tLog Off System Manager
LP%PAS\tLine Printer \(em Print And Smear
LP%RDD\tLine Printer \(em Reverse Drum Direction
LP%TCR\tLine Printer \(em Tangle and Chew Ribbon
LPA\tLead Programmer Astray
LPRTC\tLoad Program counter from Real Time Clock
LR\tLoad Revolver
LRA\tLoad RetroActively
LRB\tLose Record and Branch
LRD\tLoad Random Data
LSPSW\tLoad and Scramble PSW
LTS\tLink To Sputnik
LTS\tLoop Till Smokes
LUM\tLUbricate Memory
LWE\tLoad WhatEver
LWM\tLoad Write-only Memory
MAB\tMelt Address Bus
MAN\tMake Animal Noises
MAZ\tMultiply Answer by Zero
MBC\tMake Batch Confetti
MBF\tMultiply and Be Fruitful
MBH\tMemory Bank Hold-up
MBTD\tMount Beatles on Tape Drive
MBTOL\tMove Bug To Operator's Lunch
MC\tMove Continuous
MD\tMove Devious
MDB\tMove and Drop Bits
MDC\tMake Disk Crash
MDDHAF\tMake Disk Drive Hop Across Floor
MFO\tMount Female Operator
MILI\tMove It or Lose It
MLB\tMemory Left shift and Branch
MLP\tMake Lousy Program
MLP\tMultiply and Lose Precision
MLR\tMove and Lose Record
MMF\tMelt Main Frame
MMLG\tMake Me Look Good
MNI\tMisread Next Instruction
MOG\tMake Operator Growl
MOP\tModify Operator's Personality
MPLP\tMake Pretty Light Pattern
MRZ\tMake Random Zap
MSGD\tMake Screen Go Dim
MSP\tMistake Sign for Parity
MSPI\tMake Sure Plugged In
MSR\tMelt Special Register
MST\tMount Scotch Tape
MTE\tMangle Tape on Exit
MTI\tMake Tape Invalid
MUG\tMake Ugly Graphics
MUM\tMulti-Use Mnemonics
MW\tMalfunction Whenever
MW\tMultiply Work
MWC\tMove and Wrap Core
MWT\tMalfunction Without Telling
NBC\tNegate By Clearing
NCW\tNotch Carriage and Way
NMI\tNegate Most Integers
NOP\tNeedlessly Omit Pointer
NPC\tNormalize Program Counter
NPN\tNo Program Necessary [VAX]
NTGH\tNot Tonight, i've Got a Headache
OBB\tOverflow Bit Bucket
OCF\tOpen Circular File
OMC\tObscene Message to Console
OMC\tOverheat Memory Chip
OML\tObey Murphy's Laws
OPI\tOrder Pizza Immediately
OPP\tOrder Pizza for Programmer
OSI\tOverflow Stack Immediate
OSI\tOverflow Stack Indefinite
OSP\tOpen Six-Pack
OTL\tOut To Lunch
OU\tOffend User
P$*!\tPunch Obscenity
PA\tPunch in ASCII
PAL\tPack And Leave
PAS\tPrint And Smear
PAUD\tPAUse Dramatically
PAZ\tPack Alpha Zone
PAZ\tPack Alpha and drop Zones
PBC\tPrint and Break Chain
PBD\tPrint and Break Drum
PBL\tPack Bags and Leave
PBM\tPop Bubble Memory
PBPBPBP\tPlace Backup in Plain Brown Paper Bag Please
PBST\tPlay Batch mode Star Trek
PCB\tPause for Coffee Break
PCD\tPunCh Disk
PCI\tPleat Cards Immediate
PCR\tPrint and Cut Ribbon
PCS\tPush to Centre of Stack
PD\tPlay Dead
PD\tPunch Disk
PDLD\tPower Down and Lock Door [to computer room]
PDSK\tPunch DiSK
PEHC\tPunch Extra Holes in Cards
PEP\tPrint on Edge of Paper
PFD\tPunt on Fourth Down
PFE\tPrint Floating Eye
PFML\tPrint Four Million Lines
PG\tPrint Garbage
PHO\tPull Hair Out
PI\tPunch Invalid
PIBM\tPretend to be an IBM
PIC\tPrint Illegible Characters
PIC\tPrint Invalid Character
PIC\tPunch Invalid Character
PLSC\tPerform Light Show on Console
PNIH\tPlace Needle In Haystack
PNRP\tPrint Nasty Replies to Programmer
PO\tPunch Operator
POCL\tPunch Out Console Lights
POG\tPrint Only Greek
POP\tPop Or Push
POPI\tPunch OPerator Immediate
POPN\tPunch OPerator's Nose
PPA\tPrint Paper Airplanes
PPC\tPurge Pascal Compiler [HP 3000]
PPL\tPerform Perpetual Loop
PPP\tPrint Programmer's Picture
PPR\tPlay Punk Rock
PPSW\tPack Program Status Word
PPSW\tPack Progran Status Word
PRS\tPRint and Smear
PSP\tPrint and Shred Paper
PSR\tPrint and Shred Ribbon
PTP\tProduce Toilet Paper
PUO\tPerform Unknown Operation
PVLC\tPunch Variable Length Card
PWP\tPrint Without Paper
PWS\tcreate PoWer Surge
PYS\tProgram YourSelf
QBDH\tQuit and Become a DeadHead
QWYA\tQuit While Your Ahead
RA\tRandomize Answer
RAM\tRandomly Access Memory
RAM\tRead Ambiguous Memory
RAN\tRANdom opcode [similar to 16-bit what gate]
RASC\tRead And Shred Card
RAST\tRead And Shred Tape
RAU\tRidicule All Users
RBAO\tRing Bell and Annoy Operator
RBLY\tRestore Back-up from Last Year
RBT\tRead Blank Tape
RBT\tRewind and Break Tape
RC\tRewind Core
RCAJ\tRead Card And Jam
RCB\tRead Command Backwards
RCB\tRun Clock Backwards
RCC\tRead Card and Chew
RCCP\tRandomly Corrupt Current Process
RCF\tRewind Cabinet Fans
RCKG\tRead Count Key and Garbage
RCL\tRotate Carry Left
RCP\tReschedule Car Payments
RCR\tRewind Card Reader
RCRV\tRandomly Convert to Reverse Video
RCS\tRead Card and Scramble data
RCSD\tRead Card and Scramble Data
RD\tRandomize Data
RD\tReverse Directions
RDA\tRefuse to Disclose Answer
RDB\tReplace Database with Blanks
RDB\tRun Disk Backwards
RDD\tReverse Disk Drive
RDDBF\tRock Disk Drive Back and Forth
RDEB\tRead and Drop Even number of Bits
RDF\tRandomize Directory Filenames
RDI\tReverse Drum Immediate
RDI\tReverse Drun Immediate
RDI\tRewind Disk Immediate
RDR\tReverse Disk Rotation
RDS\tReaD Sideways
RENVR\tREName Variables Randomly
RET\tRead and Erase Tape
RF\tRead Fingerprints
RG\tRecord Garbage
RHNEZ\tRandomize and Halt if Not Equal to Zero
RHO\tRandomize and Hold all Output
RIC\tRotate Illogical thru Carry
RID\tRead Invalid Data
RIG\tRead Inter-record Gap
RIOP\tRotate I/O Ports
RIR\tRead Invalid Record
RIRG\tRead Inter-Record Gap
RJE\tReturn Jump and Explode
RLC\tRelocate and Lose Core
RLC\tReread Last Card
RLC\tRotate Left with Carolyn
RLI\tRotate Left Indefinitely
RLP\tRefill Light Pen
RLP\tRewind Line Printer
RM\tRuin My files
RMI\tRandomize Memory Immediate
RMM\tRead Manager's Mind
RMT\tReMove Trap
RMV\tRemove Memory Virtues
RN\tRead Noise
RNBS\tReflect Next Bus Signal
RNR\tRead Noise Record
ROC\tRandomize Op Codes
ROC\tRotate Outward from Center
ROD\tROtate Diagonally
ROM\tRead Operator's Mind
ROO\tRub Out Operator
ROOP\tRun Out Of Paper
ROPF\tRead Other People's Files
ROS\tReject Operating System
ROS\tReturn On Shield
RP\tRead Printer
RPB\tRaise Parity Bits
RPB\tRead Print and Blush
RPB\tReverse Parity and Branch
RPBR\tReverse Parity and BRanch
RPC\tRotate Program Counter
RPM\tRead Programmer's Mind
RPU\tRead character and Print Upsidedown
RRC\tRotate Random thru Carry
RRR\tRandomly Rotate Register
RRR\tRead Record and Run away
RRR\tRead Record and Run-away
RRRL\tRandom Rotate Register Left
RRRR\tRandom Rotate Register Right
RRSTC\tReturn on Ruby Slippers Triple-Click
RRT\tRecord and Rip Tape
RS\tRandom Slew
RSD\ton Read error Self-Destruct
RST\tRewind and Stretch Tape
RSTOM\tRead from STore-Only Memory
RT\tReduce Throughput
RTP\tReduce ThroughPut
RTS\tReturn To Sender
RVAC\tReturn from VACation
RWC\tReWind and Crash heads
RWCR\tReWind Card Reader
RWD\tReWind Disk
RWE\tRun Without Error
RWF\tRead Wrong File
RWT\tRead/Write while stretching Tape
SA\tStore Anywhere
SAD\tSearch And Destroy
SAI\tSkip All Instructions
SAK\tSnooze At Keyboard
SAS\tShow Appendix Scar
SAS\tSit And Spin
SBE\tSwap Bits Erratically
SBF\tSkip on Bitbucket Full
SC\tScramble Channels
SC\tShred Cards
SCB\tSpindle Card and Belch
SCCA\tShort Circuit on Correct Answer
SCD\tShuffle and Cut Dec
SCH\tSlit Cards Horizontal
SCI\tShred Cards Immediate
SCM\tSet for Crash Mode
SCOM\tSet Cobol-Only Mode
SCP\tSCatter Printer
SCRRC\tSCRamble Register Contents
SCST\tSwitch Channel to Star Trek
SCTR\tStick Card To Reader
SD\tScramble Directory
SD\tSlip Disk
SDC\tSpool Disk to Console
SDD\tSeek and Destroy Data
SDD\tSpin Disk Dry
SDDB\tSnap Disk Drive Belt
SDE\tSolve Differential Equations
SDI\tSelf Destruct Immediate
SDM\tSearch and Destroy Memory
SDR\tSlam Down Rondo [worst soda ever made]
SEB\tStop Eating and Burp
SEOB\tSet Every Other Bit
SESUR\tSing Elvis Songs Until he Returns
SEX\tSet EXecution register
SEX\tSign EXtend
SFH\tSet Flags to Half-mast
SFP\tSend For Pizza
SFR\tSend For Reinforcements
SFT\tStall For Time
SFTT\tStrip Form Tractor Teeth
SHAB\tSHift A Bit
SHABM\tSHift A Bit More
SHB\tStop and Hang Bus
SHCD\tSHuffle Card Deck
SHON\tSimulate HONeywell CPU [permanent no-op]
SHR\tSHift Random
SHRC\tSHRed Card
SHRT\tSHRed Tape
SID\tSwitch to Infinite Density
SIP\tStore Indefinite Precision
SJV\tScramble Jump Vectors
SLP\tSharpen Light Pen
SMC\tScramble Memory Contents
SMD\tSpontaneous Memory Dump
SMR\tSkip on Meaningless Result
SMS\tShred Mylar Surface
SNARF\tSystem Normalize And Reset Flags
SNM\tShow No Mercy
SNO\tSend Nukes on Overflow
SOAWP\tSOlve All the World'd Problems
SOB\tStew On Brew
SOD\tSurrender Or Die
SOL\tShift On Low
SOP\tStop and Order Pizza
SOS\tSign Off, Stupid
SOT\tSit On a Tack
SP\tScatter Print
SPA\tSliding Point Arithmetic
SPB\tSimulate Peanut Butter
SPD\tSPin Disk
SPS\tSet Panel Switches
SPSW\tScramble Program Status Word
SQPWYC\tSit Quietly and Play With Your Crayons
SRBO\tSet Random Bits to Ones
SRBZ\tSet Random Bits to Zeroes
SRC\tSelect Random Channel
SRC\tSelect Reader and Chew cards
SRCC\tSelect Reader and Chew Cards
SRD\tSwitch to Random Density
SRDR\tShift Right Double Ridiculous
SRO\tSort with Random Ordering
SROS\tStore in Read-Only Storage
SRR\tShift Registers Random
SRSD\tSeek Record and Scar Disk
SRSD\tSeek Record and Scratch Disk
SRTC\tStop Real-Time Clock
SRU\tSignoff Random User
SRZ\tSubtract and Reset to Zero
SSB\tScramble Status Byte
SSD\tScratch System Disk
SSD\tStacker Select Disk
SSD\tStop and Scratch Disk [3815]
SSJ\tSelect Stacker and Jam
SSJP\tSelect Stacker and JumP
SSM\tSolve by Supernatural Means
SSM\tStacker Select Memory
SSP\tSeek SPindle
SSP\tSmoke and SPark
SST\tSeek and Stretch Tape
SSW\tScramble Status Word
ST\tSet and Test
STA\tSTore Anywhere
STC\tSlow To a Crawl
STD\tStop, Take Drugs
STM\tSTretch Magtape
STM\tSkip on Third Monday
STO\tStrangle Tape Operator
STPR\tSToP Rain
STRIKE\tSTRIKE for more pay, better hours, etc.
STROM\tSTore in Read-Only Memory
STTHB\tSet Terminal to Three Hundred Baud
SUIQ\tSubtract User's IQ
SUME\tSUprise ME
SUP\tShred User Printout
SUP\tSolve Unsolvable Problem
SUS\tStop Until Spring
SUS\tSubtract Until Senseless
SWAT\tSWAp Terminals
SWN\tSWap Nibbles
SWOS\tStore in Write-Only Storage
SWS\tSort to Wrong Slots
SWT\tSelect Wrong Terminal
SWU\tSelect Wrong Unit
SWZN\tSkip Whether Zero or Not
SZD\tSwitch to Zero Density
TAH\tTake A Hike
TAI\tTrap Absurd Inputs
TARC\tTake Arithmetic Review Course
TBFTG\tTwo Burgers and Fries To Go
TC\tTransmit Colors
TDB\tTransfer and Drop Bits
TDRB\tTest and Destroy Random Bits
TDS\tTrash Data Segment
TET\tTriple Execution Time [SUN]
TLNF\tTeach me a Lesson i'll Never Forget
TLO\tTurn indicator Lights Off
TLW\tTransfer and Lose Way
TN\tTake a Nap
TOAC\tTurn Off Air Conditioner
TOG\tTake Out Garbage
TOG\tTime Out, Graduate
TOH\tTake Operator Hostage
TOO\tTurn On/off Operator
TOP\tTrap OPerator
TOS\tTrash Operating System
TOW\tTake Over World
TPD\tTerminal Printer Destruct
TPD\tTotal Program Diagnostic
TPD\tTriple Pack Decimal
TPDH\tTell Programmer to Do it Himself
TPF\tTurn Power oFf
TPN\tTurn Power oN
TPO\tTurn Power Off
TPR\tTear PapeR
TR\tTurn into Rubbish
TRA\tTe Rdls Arvs [type ridiculous abbreviations]
TRD\tTRansfer and Drop bit
TSH\tTrap Secretary and Halt
TSM\tTrap Secretary and Mount
TST\tTrash System Tracks
TT%CN\tTeleType \(em Clunk Noise
TT%EKB\tTeleType \(em Electrify KeyBoard
TTA\tTry, Try Again
TTIHLIC\tTry To Imagine How Little I Care
TTITT\tTurn 2400 foot Tape Into Two 1200 foot Tapes
TTL\tTap Trunk Line
TTL\tTime To Logoff
TYF\tTrust Your Feelings
UA\tUnload Accumulator
UAI\tUse Alternate Instruction set
UAPA(AM)\tUse All Power Available (And More)
UCB\tUncouple CPU and Branch
UCIP\tUpdate Card In Place
UCK\tUnlock Console Keyswitch
UCLB\tUncouple Comm Lines and Branch
UCM\tUncouple CoMm lines and branch
UCPUB\tUncouple CPUs and Branch
UDR\tUpdate and Delete Record
UER\tUpdate and Erase Record
UFO\tUnidentified Flag Operation
ULDA\tUnLoaD Accumulator
UMR\tUnlock Machine Room
UNPD\tUNPlug and Dump
UOP\tUseless OPeration
UP\tUnderstand Program[mer]
UPA\tUse all Power Available
UPC\tUnderstand Program[mer]'s Comments
UPI\tUndo Previous Instruction
URB\tUpdate, Resume and Branch
UTF\tUnwind Tape onto Floor
UTF\tUse The Force
UUBR\tUse Undefined Base Register
VAX\tViolate All eXecutions
VFE\tViolate Field Engineer
VFO\tViolate Female Operator
VMA\tViolate Maintenance Agreement
VNO\tViolate Noise Ordinance
VPA\tVanishing Point Arithmetic
VVM\tVaporize Virtual Memory
WAD\tWalk Away in Disgust
WAT\tWAste Time
WBB\tWrite to the Bit Bucket
WBT\tWater Binary Tree
WC\tWaste Core
WCR\tWrite to Card Reader
WDR\tWarp disk DRive
WED\tWrite and Erase Data
WEMG\tWrite Eighteen Minute Gap
WF\tWait Forever
WGPB\tWrite Garbage in Process-control Block
WHFO\tWait until Hell Freezes Over
WHP\tWave Hands over Program
WI\tWhy Immediate
WI\tWrite Illegibly
WID\tWrite Invalid Data
WMC\tWrite Millions of Comments
WNAM\tWe Need A Miracle
WNHR\tWrite New Hit Record
WNR\tWrite Noise Record
WP\tWrite Poop
WPET\tWrite Past End of Tape
WPM\tWrite Programmer's Mind
WSE\tWrite Stack Everywhere
WSWW\tWork in Strange and Wondrous Ways
WUPO\tWad Up Printer Output
WWLR\tWrite Wrong Length Record
WWR\tWrite Wrong Record
XXIO\teXecute Invalid Opcode
XXKF\teXecute Kermit the Frog
XXM\teXclusive Maybe
XXMB\teXclusive MayBe
XXOH\teXecute no-Op and Hang
XXOR\teXecute OpeRator
XXOS\teXchange Operator's Sex
XXPR\teXecute PRogrammer
XXPSW\teXecute Program Status Word
XXSP\teXecute Systems Programmer
XXVF\teXchange Virtue for Fun
YAB\tYet Another Bug
YASE\tYet Another Stupid Error
ZAP\tZero and Add Packed
ZAR\tZero Any Register
ZD\tZap Directory
ZEOW\tZero Every Other Word
ZPI\tZaP Immediate





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